syntax = "proto3"; package tester.v1; option go_package = "/tester/v1;testerv1"; service TesterService { rpc CreateSolution (CreateSolutionRequest) returns (stream TestingState); } message CreateSolutionRequest { int32 task_id = 1; int32 language = 2; string solution = 3; } message TestingState { string msg = 1; }